从活动对ImageView进行动画处理

Question

无法通过onItemClickListener ListView的方法设置ImageView的动画。 ListView在一个Fragment中。 有人可以建议我该怎么办？

public class MainFragment extends Fragment {

View view;



public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle sis){
    View view = inflater.inflate(R.layout.fragment_layout, container, false);
    ListView lv = (ListView)view.findViewById(R.id.listf);
    this.view= view;


lv.setOnItemClickListener(new OnItemClickListener(){
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id){


          ImageView i = (ImageView)view.findViewById(R.id.imgv);
          AnimationSet as = new AnimationSet(true);
          Animation animation1 = AnimationUtils.loadAnimation(this, R.anim.anim1);              
          Animation animation2 = AnimationUtils.loadAnimation(this, R.anim.anim2);
          as.addAnimation(animation1);
          as.addAnimation(animation2);
          i.setImageResource(R.drawable.logocpic1);
          i.startAnimation(as);
    }
}

Answer 1

I think you have to try this following code it works for me....

动画animation1 = AnimationUtils.loadAnimation（getapplicationContext（），R.anim.anim1）;

代替

动画animation1 = AnimationUtils.loadAnimation（this，R.anim.anim1）;

可能对你有用。

Answer 2

好的，您出错了，因为您正在非UI线程中执行UI操作。 您可以使用以下代码，

public class MainFragment extends Fragment {
View view;
ImageView i;
.
.
.
.

lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,int position, long id) {
.
.
.   


   getActivity().runOnUiThread(new Runnable() {
      public void run() {
         i = (ImageView)getActivity().findViewById(R.id.imgv);
      }
   });

Answer 3

请更改为喜欢

Animation animation1 = AnimationUtils.loadAnimation(MainFragment.this, R.anim.anim1);